./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound50.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80e2d4-d824-42b0-b2ba-8f44ca3636ee/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80e2d4-d824-42b0-b2ba-8f44ca3636ee/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80e2d4-d824-42b0-b2ba-8f44ca3636ee/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80e2d4-d824-42b0-b2ba-8f44ca3636ee/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80e2d4-d824-42b0-b2ba-8f44ca3636ee/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80e2d4-d824-42b0-b2ba-8f44ca3636ee/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bb5ad63279572b10ccf828ab50fb4850c30a9bc769c3e514e6f9dd22eeb86526 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:41:28,769 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:41:28,885 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80e2d4-d824-42b0-b2ba-8f44ca3636ee/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:41:28,891 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:41:28,892 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:41:28,920 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:41:28,922 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:41:28,922 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:41:28,923 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:41:28,924 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:41:28,925 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:41:28,926 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:41:28,927 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:41:28,927 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:41:28,928 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:41:28,929 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:41:28,930 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:41:28,931 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:41:28,931 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:41:28,932 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:41:28,933 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:41:28,934 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:41:28,934 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:41:28,935 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:41:28,936 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:41:28,936 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:41:28,937 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:41:28,938 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:41:28,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:28,939 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:41:28,940 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:41:28,940 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:41:28,941 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:41:28,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:41:28,942 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:41:28,942 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80e2d4-d824-42b0-b2ba-8f44ca3636ee/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80e2d4-d824-42b0-b2ba-8f44ca3636ee/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb5ad63279572b10ccf828ab50fb4850c30a9bc769c3e514e6f9dd22eeb86526 [2023-11-21 18:41:29,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:41:29,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:41:29,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:41:29,307 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:41:29,308 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:41:29,310 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80e2d4-d824-42b0-b2ba-8f44ca3636ee/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound50.i [2023-11-21 18:41:32,467 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:41:32,722 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:41:32,722 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80e2d4-d824-42b0-b2ba-8f44ca3636ee/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound50.i [2023-11-21 18:41:32,737 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80e2d4-d824-42b0-b2ba-8f44ca3636ee/bin/ukojak-verify-i0I2FZA1j2/data/158f7b798/fdcf198d5b364aad839e381a442a2390/FLAGcb4997a1a [2023-11-21 18:41:32,767 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80e2d4-d824-42b0-b2ba-8f44ca3636ee/bin/ukojak-verify-i0I2FZA1j2/data/158f7b798/fdcf198d5b364aad839e381a442a2390 [2023-11-21 18:41:32,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:41:32,778 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:41:32,781 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:32,781 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:41:32,790 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:41:32,791 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:32" (1/1) ... [2023-11-21 18:41:32,793 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fa6a99c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:32, skipping insertion in model container [2023-11-21 18:41:32,793 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:32" (1/1) ... [2023-11-21 18:41:32,839 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:41:33,062 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2213) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1486) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1427) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:222) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:383) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3412) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2432) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-21 18:41:33,068 INFO L158 Benchmark]: Toolchain (without parser) took 289.91ms. Allocated memory is still 125.8MB. Free memory was 78.4MB in the beginning and 69.3MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 18:41:33,069 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 125.8MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:41:33,070 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.41ms. Allocated memory is still 125.8MB. Free memory was 78.4MB in the beginning and 69.3MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 18:41:33,072 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 125.8MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.41ms. Allocated memory is still 125.8MB. Free memory was 78.4MB in the beginning and 69.3MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80e2d4-d824-42b0-b2ba-8f44ca3636ee/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80e2d4-d824-42b0-b2ba-8f44ca3636ee/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80e2d4-d824-42b0-b2ba-8f44ca3636ee/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80e2d4-d824-42b0-b2ba-8f44ca3636ee/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80e2d4-d824-42b0-b2ba-8f44ca3636ee/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80e2d4-d824-42b0-b2ba-8f44ca3636ee/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bb5ad63279572b10ccf828ab50fb4850c30a9bc769c3e514e6f9dd22eeb86526 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:41:36,010 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:41:36,189 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80e2d4-d824-42b0-b2ba-8f44ca3636ee/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:41:36,238 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:41:36,240 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:41:36,241 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:41:36,242 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:41:36,243 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:41:36,244 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:41:36,250 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:41:36,251 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:41:36,252 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:41:36,252 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:41:36,254 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:41:36,255 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:41:36,256 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:41:36,256 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:41:36,257 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:41:36,257 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:41:36,259 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:41:36,259 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:41:36,260 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:41:36,261 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:41:36,261 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:41:36,262 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:41:36,262 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:41:36,263 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:41:36,263 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:41:36,264 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:41:36,264 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:41:36,266 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:36,266 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:41:36,267 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:41:36,267 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:41:36,268 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:41:36,268 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:41:36,268 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:41:36,269 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:41:36,269 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:41:36,270 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80e2d4-d824-42b0-b2ba-8f44ca3636ee/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80e2d4-d824-42b0-b2ba-8f44ca3636ee/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb5ad63279572b10ccf828ab50fb4850c30a9bc769c3e514e6f9dd22eeb86526 [2023-11-21 18:41:36,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:41:36,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:41:36,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:41:36,860 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:41:36,861 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:41:36,863 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80e2d4-d824-42b0-b2ba-8f44ca3636ee/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound50.i [2023-11-21 18:41:40,210 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:41:40,570 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:41:40,572 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80e2d4-d824-42b0-b2ba-8f44ca3636ee/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound50.i [2023-11-21 18:41:40,585 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80e2d4-d824-42b0-b2ba-8f44ca3636ee/bin/ukojak-verify-i0I2FZA1j2/data/2a199955f/adaf19fdd2aa43239edfd97469e79281/FLAGe9744cc62 [2023-11-21 18:41:40,618 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80e2d4-d824-42b0-b2ba-8f44ca3636ee/bin/ukojak-verify-i0I2FZA1j2/data/2a199955f/adaf19fdd2aa43239edfd97469e79281 [2023-11-21 18:41:40,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:41:40,630 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:41:40,638 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:40,638 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:41:40,645 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:41:40,646 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:40" (1/1) ... [2023-11-21 18:41:40,648 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e0cbb5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:40, skipping insertion in model container [2023-11-21 18:41:40,648 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:40" (1/1) ... [2023-11-21 18:41:40,694 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:41:41,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:41,091 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:41:41,180 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:41,225 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:41:41,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:41 WrapperNode [2023-11-21 18:41:41,226 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:41,228 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:41,228 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:41:41,228 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:41:41,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:41" (1/1) ... [2023-11-21 18:41:41,270 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:41" (1/1) ... [2023-11-21 18:41:41,304 INFO L138 Inliner]: procedures = 18, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2023-11-21 18:41:41,305 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:41,306 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:41:41,306 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:41:41,315 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:41:41,324 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:41" (1/1) ... [2023-11-21 18:41:41,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:41" (1/1) ... [2023-11-21 18:41:41,327 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:41" (1/1) ... [2023-11-21 18:41:41,327 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:41" (1/1) ... [2023-11-21 18:41:41,338 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:41" (1/1) ... [2023-11-21 18:41:41,342 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:41" (1/1) ... [2023-11-21 18:41:41,345 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:41" (1/1) ... [2023-11-21 18:41:41,347 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:41" (1/1) ... [2023-11-21 18:41:41,351 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:41:41,353 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:41:41,353 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:41:41,353 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:41:41,354 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:41" (1/1) ... [2023-11-21 18:41:41,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:41,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80e2d4-d824-42b0-b2ba-8f44ca3636ee/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:41:41,408 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80e2d4-d824-42b0-b2ba-8f44ca3636ee/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:41:41,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80e2d4-d824-42b0-b2ba-8f44ca3636ee/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:41:41,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:41:41,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:41:41,457 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:41:41,458 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:41:41,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:41:41,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:41:41,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:41:41,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:41:41,552 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:41:41,555 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:41:52,715 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:41:52,834 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:41:52,834 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:41:52,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:52 BoogieIcfgContainer [2023-11-21 18:41:52,836 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:41:52,837 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:41:52,838 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:41:52,848 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:41:52,848 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:52" (1/1) ... [2023-11-21 18:41:52,858 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:41:52,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:52,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2023-11-21 18:41:52,908 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2023-11-21 18:41:52,911 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:41:52,912 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 1 iterations. [2023-11-21 18:41:52,918 INFO L751 CodeCheckObserver]: All specifications hold We were not able to verify any specification because the program does not contain any specification. [2023-11-21 18:41:52,942 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:41:52,946 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:41:52,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:41:52 ImpRootNode [2023-11-21 18:41:52,956 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:41:52,957 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:41:52,958 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:41:52,959 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:41:52,959 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:52" (3/4) ... [2023-11-21 18:41:52,962 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:41:52,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-21 18:41:52,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-21 18:41:52,972 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-11-21 18:41:52,972 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-21 18:41:52,973 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 18:41:52,973 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:41:52,974 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:41:53,111 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80e2d4-d824-42b0-b2ba-8f44ca3636ee/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:41:53,111 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80e2d4-d824-42b0-b2ba-8f44ca3636ee/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:41:53,112 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:41:53,112 INFO L158 Benchmark]: Toolchain (without parser) took 12482.63ms. Allocated memory was 60.8MB in the beginning and 94.4MB in the end (delta: 33.6MB). Free memory was 36.9MB in the beginning and 55.5MB in the end (delta: -18.5MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2023-11-21 18:41:53,113 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 60.8MB. Free memory was 36.4MB in the beginning and 36.4MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:41:53,114 INFO L158 Benchmark]: CACSL2BoogieTranslator took 589.09ms. Allocated memory was 60.8MB in the beginning and 94.4MB in the end (delta: 33.6MB). Free memory was 36.7MB in the beginning and 71.2MB in the end (delta: -34.5MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2023-11-21 18:41:53,114 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.16ms. Allocated memory is still 94.4MB. Free memory was 71.2MB in the beginning and 69.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:41:53,115 INFO L158 Benchmark]: Boogie Preprocessor took 45.99ms. Allocated memory is still 94.4MB. Free memory was 69.4MB in the beginning and 67.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:41:53,115 INFO L158 Benchmark]: RCFGBuilder took 11483.91ms. Allocated memory is still 94.4MB. Free memory was 67.7MB in the beginning and 66.7MB in the end (delta: 946.1kB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2023-11-21 18:41:53,117 INFO L158 Benchmark]: CodeCheck took 119.16ms. Allocated memory is still 94.4MB. Free memory was 66.4MB in the beginning and 60.8MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 18:41:53,117 INFO L158 Benchmark]: Witness Printer took 154.41ms. Allocated memory is still 94.4MB. Free memory was 60.8MB in the beginning and 55.5MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 18:41:53,120 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 19 locations, 0 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 60.8MB. Free memory was 36.4MB in the beginning and 36.4MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 589.09ms. Allocated memory was 60.8MB in the beginning and 94.4MB in the end (delta: 33.6MB). Free memory was 36.7MB in the beginning and 71.2MB in the end (delta: -34.5MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.16ms. Allocated memory is still 94.4MB. Free memory was 71.2MB in the beginning and 69.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.99ms. Allocated memory is still 94.4MB. Free memory was 69.4MB in the beginning and 67.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 11483.91ms. Allocated memory is still 94.4MB. Free memory was 67.7MB in the beginning and 66.7MB in the end (delta: 946.1kB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. * CodeCheck took 119.16ms. Allocated memory is still 94.4MB. Free memory was 66.4MB in the beginning and 60.8MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Witness Printer took 154.41ms. Allocated memory is still 94.4MB. Free memory was 60.8MB in the beginning and 55.5MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-21 18:41:53,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e80e2d4-d824-42b0-b2ba-8f44ca3636ee/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE